/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:22:48,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:22:48,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:22:48,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:22:48,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:22:48,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:22:48,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:22:48,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:22:48,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:22:48,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:22:48,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:22:48,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:22:48,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:22:48,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:22:48,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:22:48,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:22:48,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:22:48,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:22:48,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:22:48,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:22:48,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:22:48,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:22:48,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:22:48,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:22:48,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:22:48,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:22:48,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:22:48,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:22:48,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:22:48,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:22:48,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:22:48,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:22:48,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:22:48,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:22:48,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:22:48,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:22:48,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:22:48,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:22:48,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:22:48,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:22:48,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:22:48,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 04:22:48,232 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:22:48,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:22:48,233 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:22:48,233 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:22:48,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:22:48,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:22:48,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:22:48,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:22:48,235 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:22:48,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:22:48,236 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:22:48,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:22:48,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:22:48,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:22:48,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:22:48,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:22:48,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:22:48,237 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:22:48,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:22:48,238 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:22:48,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:22:48,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:22:48,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:22:48,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:22:48,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:48,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:22:48,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:22:48,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:22:48,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:22:48,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:22:48,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:22:48,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:22:48,240 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:22:48,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:22:48,240 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:22:48,241 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:22:48,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:22:48,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:22:48,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:22:48,492 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:22:48,493 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:22:48,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2023-04-02 04:22:49,683 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:22:49,912 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:22:49,913 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2023-04-02 04:22:49,923 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bdeefe04/b65e9fdbd7be4728a0be581bab4966c8/FLAGade0e137e [2023-04-02 04:22:49,937 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bdeefe04/b65e9fdbd7be4728a0be581bab4966c8 [2023-04-02 04:22:49,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:22:49,940 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:22:49,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:49,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:22:49,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:22:49,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:49" (1/1) ... [2023-04-02 04:22:49,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a22571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:49, skipping insertion in model container [2023-04-02 04:22:49,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:49" (1/1) ... [2023-04-02 04:22:49,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:22:49,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:22:50,148 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c[2141,2154] [2023-04-02 04:22:50,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:50,277 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:22:50,300 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c[2141,2154] [2023-04-02 04:22:50,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:50,350 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:22:50,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:50 WrapperNode [2023-04-02 04:22:50,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:50,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:22:50,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:22:50,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:22:50,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:50" (1/1) ... [2023-04-02 04:22:50,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:50" (1/1) ... [2023-04-02 04:22:50,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:50" (1/1) ... [2023-04-02 04:22:50,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:50" (1/1) ... [2023-04-02 04:22:50,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:50" (1/1) ... [2023-04-02 04:22:50,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:50" (1/1) ... [2023-04-02 04:22:50,418 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:50" (1/1) ... [2023-04-02 04:22:50,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:50" (1/1) ... [2023-04-02 04:22:50,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:22:50,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:22:50,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:22:50,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:22:50,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:50" (1/1) ... [2023-04-02 04:22:50,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:50,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:50,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 04:22:50,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 04:22:50,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:22:50,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:22:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:22:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:22:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:22:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:22:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:22:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:22:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:22:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:22:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-02 04:22:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:22:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-04-02 04:22:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:22:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:22:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:22:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:22:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:22:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-02 04:22:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:22:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:22:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:22:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:22:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:22:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:22:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:22:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:22:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:22:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:22:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:22:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:22:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:22:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:22:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:22:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:22:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:22:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:22:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:22:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:22:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:22:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:22:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:22:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:22:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:22:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:22:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:22:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-02 04:22:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:22:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:22:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:22:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:22:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:22:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:22:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:22:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:22:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:22:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:22:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:22:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-02 04:22:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:22:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-04-02 04:22:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:22:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:22:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:22:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:22:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:22:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:22:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:22:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:22:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:22:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:22:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:22:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:22:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:22:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:22:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:22:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:22:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:22:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:22:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:22:50,681 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:22:50,683 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:22:51,239 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:22:51,247 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:22:51,247 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:22:51,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:51 BoogieIcfgContainer [2023-04-02 04:22:51,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:22:51,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:22:51,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:22:51,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:22:51,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:22:49" (1/3) ... [2023-04-02 04:22:51,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2275a2eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:51, skipping insertion in model container [2023-04-02 04:22:51,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:50" (2/3) ... [2023-04-02 04:22:51,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2275a2eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:51, skipping insertion in model container [2023-04-02 04:22:51,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:51" (3/3) ... [2023-04-02 04:22:51,256 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2023-04-02 04:22:51,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:22:51,275 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:22:51,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:22:51,342 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@561987bd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:22:51,342 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:22:51,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 86 states have (on average 1.302325581395349) internal successors, (112), 99 states have internal predecessors, (112), 43 states have call successors, (43), 26 states have call predecessors, (43), 26 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2023-04-02 04:22:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:22:51,355 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:51,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:51,356 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:51,360 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:51,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1420289237, now seen corresponding path program 1 times [2023-04-02 04:22:51,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:51,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852554781] [2023-04-02 04:22:51,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:51,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:51,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:51,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:51,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:51,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:51,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:51,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:22:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:51,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:22:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:51,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:51,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:51,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852554781] [2023-04-02 04:22:51,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852554781] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:51,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:51,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:22:51,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842313490] [2023-04-02 04:22:51,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:51,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:22:51,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:51,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:22:51,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:22:51,762 INFO L87 Difference]: Start difference. First operand has 159 states, 86 states have (on average 1.302325581395349) internal successors, (112), 99 states have internal predecessors, (112), 43 states have call successors, (43), 26 states have call predecessors, (43), 26 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:52,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:52,213 INFO L93 Difference]: Finished difference Result 257 states and 340 transitions. [2023-04-02 04:22:52,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:22:52,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2023-04-02 04:22:52,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:52,224 INFO L225 Difference]: With dead ends: 257 [2023-04-02 04:22:52,225 INFO L226 Difference]: Without dead ends: 140 [2023-04-02 04:22:52,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:22:52,233 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 77 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:52,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 21 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:22:52,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-04-02 04:22:52,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 108. [2023-04-02 04:22:52,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 71 states have internal predecessors, (77), 27 states have call successors, (27), 23 states have call predecessors, (27), 18 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2023-04-02 04:22:52,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2023-04-02 04:22:52,311 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 46 [2023-04-02 04:22:52,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:52,312 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2023-04-02 04:22:52,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:52,312 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2023-04-02 04:22:52,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:22:52,314 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:52,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:52,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:22:52,315 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:52,316 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:52,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1705339945, now seen corresponding path program 1 times [2023-04-02 04:22:52,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:52,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843749922] [2023-04-02 04:22:52,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:52,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:52,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:52,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:52,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:52,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:52,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:52,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:22:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:52,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:22:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:52,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:52,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:52,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843749922] [2023-04-02 04:22:52,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843749922] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:52,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:52,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:22:52,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526795686] [2023-04-02 04:22:52,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:52,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:22:52,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:52,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:22:52,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:22:52,470 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:52,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:52,757 INFO L93 Difference]: Finished difference Result 184 states and 223 transitions. [2023-04-02 04:22:52,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:22:52,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-04-02 04:22:52,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:52,759 INFO L225 Difference]: With dead ends: 184 [2023-04-02 04:22:52,760 INFO L226 Difference]: Without dead ends: 124 [2023-04-02 04:22:52,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:22:52,762 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 87 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:52,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 28 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:22:52,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-04-02 04:22:52,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 99. [2023-04-02 04:22:52,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 56 states have (on average 1.25) internal successors, (70), 65 states have internal predecessors, (70), 24 states have call successors, (24), 22 states have call predecessors, (24), 18 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2023-04-02 04:22:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2023-04-02 04:22:52,802 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 47 [2023-04-02 04:22:52,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:52,802 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2023-04-02 04:22:52,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2023-04-02 04:22:52,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-02 04:22:52,808 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:52,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:52,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:22:52,808 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:52,809 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:52,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1980198886, now seen corresponding path program 1 times [2023-04-02 04:22:52,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:52,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668809744] [2023-04-02 04:22:52,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:52,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:53,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:53,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:53,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:53,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:53,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:53,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:22:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:53,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:22:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:53,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:53,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:53,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668809744] [2023-04-02 04:22:53,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668809744] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:53,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:53,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:22:53,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783787770] [2023-04-02 04:22:53,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:53,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:22:53,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:53,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:22:53,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:22:53,173 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:22:53,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:53,972 INFO L93 Difference]: Finished difference Result 345 states and 428 transitions. [2023-04-02 04:22:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:22:53,973 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 51 [2023-04-02 04:22:53,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:53,976 INFO L225 Difference]: With dead ends: 345 [2023-04-02 04:22:53,976 INFO L226 Difference]: Without dead ends: 270 [2023-04-02 04:22:53,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-04-02 04:22:53,978 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 301 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:53,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 79 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-02 04:22:53,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2023-04-02 04:22:54,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 216. [2023-04-02 04:22:54,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 129 states have (on average 1.2945736434108528) internal successors, (167), 147 states have internal predecessors, (167), 48 states have call successors, (48), 44 states have call predecessors, (48), 38 states have return successors, (45), 36 states have call predecessors, (45), 44 states have call successors, (45) [2023-04-02 04:22:54,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2023-04-02 04:22:54,039 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 51 [2023-04-02 04:22:54,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:54,039 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2023-04-02 04:22:54,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:22:54,040 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2023-04-02 04:22:54,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-04-02 04:22:54,041 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:54,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:54,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:22:54,041 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:54,042 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:54,042 INFO L85 PathProgramCache]: Analyzing trace with hash 527366826, now seen corresponding path program 1 times [2023-04-02 04:22:54,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:54,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429921006] [2023-04-02 04:22:54,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:54,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:54,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:54,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:54,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:54,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:22:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:54,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:22:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:54,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 04:22:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:54,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:54,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429921006] [2023-04-02 04:22:54,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429921006] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:54,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:54,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:22:54,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38587416] [2023-04-02 04:22:54,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:54,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:22:54,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:54,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:22:54,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:22:54,310 INFO L87 Difference]: Start difference. First operand 216 states and 260 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:22:55,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:55,451 INFO L93 Difference]: Finished difference Result 855 states and 1150 transitions. [2023-04-02 04:22:55,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:22:55,451 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 57 [2023-04-02 04:22:55,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:55,456 INFO L225 Difference]: With dead ends: 855 [2023-04-02 04:22:55,456 INFO L226 Difference]: Without dead ends: 663 [2023-04-02 04:22:55,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2023-04-02 04:22:55,459 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 309 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:55,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 118 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-02 04:22:55,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2023-04-02 04:22:55,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 570. [2023-04-02 04:22:55,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 344 states have (on average 1.2732558139534884) internal successors, (438), 396 states have internal predecessors, (438), 122 states have call successors, (122), 105 states have call predecessors, (122), 103 states have return successors, (146), 96 states have call predecessors, (146), 118 states have call successors, (146) [2023-04-02 04:22:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 706 transitions. [2023-04-02 04:22:55,570 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 706 transitions. Word has length 57 [2023-04-02 04:22:55,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:55,571 INFO L495 AbstractCegarLoop]: Abstraction has 570 states and 706 transitions. [2023-04-02 04:22:55,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:22:55,571 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 706 transitions. [2023-04-02 04:22:55,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-04-02 04:22:55,574 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:55,574 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:55,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:22:55,574 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:55,575 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:55,575 INFO L85 PathProgramCache]: Analyzing trace with hash -786368464, now seen corresponding path program 1 times [2023-04-02 04:22:55,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:55,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766029673] [2023-04-02 04:22:55,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:55,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:55,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:55,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:55,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:55,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:55,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:22:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:22:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:55,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 04:22:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:55,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:22:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:55,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:55,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:55,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766029673] [2023-04-02 04:22:55,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766029673] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:55,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:55,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 04:22:55,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498744367] [2023-04-02 04:22:55,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:55,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:22:55,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:55,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:22:55,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-02 04:22:55,706 INFO L87 Difference]: Start difference. First operand 570 states and 706 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-02 04:22:55,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:55,966 INFO L93 Difference]: Finished difference Result 961 states and 1237 transitions. [2023-04-02 04:22:55,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:22:55,968 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 61 [2023-04-02 04:22:55,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:55,970 INFO L225 Difference]: With dead ends: 961 [2023-04-02 04:22:55,970 INFO L226 Difference]: Without dead ends: 415 [2023-04-02 04:22:55,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-04-02 04:22:55,973 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 228 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:55,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 40 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:22:55,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-04-02 04:22:56,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2023-04-02 04:22:56,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 252 states have (on average 1.2261904761904763) internal successors, (309), 274 states have internal predecessors, (309), 69 states have call successors, (69), 69 states have call predecessors, (69), 68 states have return successors, (71), 65 states have call predecessors, (71), 65 states have call successors, (71) [2023-04-02 04:22:56,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 449 transitions. [2023-04-02 04:22:56,022 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 449 transitions. Word has length 61 [2023-04-02 04:22:56,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:56,023 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 449 transitions. [2023-04-02 04:22:56,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-02 04:22:56,023 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 449 transitions. [2023-04-02 04:22:56,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-04-02 04:22:56,024 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:56,025 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:56,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:22:56,025 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:56,025 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:56,025 INFO L85 PathProgramCache]: Analyzing trace with hash -306627035, now seen corresponding path program 1 times [2023-04-02 04:22:56,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:56,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746122526] [2023-04-02 04:22:56,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:56,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:22:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:22:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 04:22:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:22:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:22:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 04:22:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 04:22:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 04:22:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,269 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:22:56,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:56,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746122526] [2023-04-02 04:22:56,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746122526] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:22:56,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308885418] [2023-04-02 04:22:56,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:56,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:22:56,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:56,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:22:56,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 04:22:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:56,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 04:22:56,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:22:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:22:56,653 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:22:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:22:56,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308885418] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:22:56,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:22:56,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-04-02 04:22:56,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677990021] [2023-04-02 04:22:56,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:22:56,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 04:22:56,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:56,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 04:22:56,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:22:56,968 INFO L87 Difference]: Start difference. First operand 390 states and 449 transitions. Second operand has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-04-02 04:22:57,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:57,592 INFO L93 Difference]: Finished difference Result 522 states and 614 transitions. [2023-04-02 04:22:57,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 04:22:57,593 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) Word has length 88 [2023-04-02 04:22:57,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:57,593 INFO L225 Difference]: With dead ends: 522 [2023-04-02 04:22:57,594 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:22:57,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 191 SyntacticMatches, 8 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2023-04-02 04:22:57,599 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 413 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:57,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 176 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:22:57,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:22:57,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:22:57,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-02 04:22:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:22:57,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2023-04-02 04:22:57,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:57,601 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:22:57,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-04-02 04:22:57,602 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:22:57,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:22:57,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:22:57,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 04:22:57,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-02 04:22:57,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:23:00,061 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:23:00,061 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:23:00,061 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:23:00,061 INFO L899 garLoopResultBuilder]: For program point L419-2(lines 419 440) no Hoare annotation was computed. [2023-04-02 04:23:00,061 INFO L899 garLoopResultBuilder]: For program point L441(lines 418 442) no Hoare annotation was computed. [2023-04-02 04:23:00,061 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 394 449) no Hoare annotation was computed. [2023-04-02 04:23:00,062 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 394 449) no Hoare annotation was computed. [2023-04-02 04:23:00,062 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2023-04-02 04:23:00,062 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 425 429) no Hoare annotation was computed. [2023-04-02 04:23:00,062 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 394 449) no Hoare annotation was computed. [2023-04-02 04:23:00,062 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-04-02 04:23:00,062 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 482 486) no Hoare annotation was computed. [2023-04-02 04:23:00,062 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2023-04-02 04:23:00,062 INFO L899 garLoopResultBuilder]: For program point L476-2(lines 476 501) no Hoare annotation was computed. [2023-04-02 04:23:00,062 INFO L899 garLoopResultBuilder]: For program point L502(lines 475 503) no Hoare annotation was computed. [2023-04-02 04:23:00,062 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 450 509) no Hoare annotation was computed. [2023-04-02 04:23:00,062 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2023-04-02 04:23:00,062 INFO L899 garLoopResultBuilder]: For program point L495-1(line 495) no Hoare annotation was computed. [2023-04-02 04:23:00,063 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 450 509) no Hoare annotation was computed. [2023-04-02 04:23:00,063 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 450 509) no Hoare annotation was computed. [2023-04-02 04:23:00,063 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 486) no Hoare annotation was computed. [2023-04-02 04:23:00,063 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 78 86) no Hoare annotation was computed. [2023-04-02 04:23:00,063 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 78 86) no Hoare annotation was computed. [2023-04-02 04:23:00,063 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 78 86) the Hoare annotation is: true [2023-04-02 04:23:00,063 INFO L899 garLoopResultBuilder]: For program point L897(lines 897 903) no Hoare annotation was computed. [2023-04-02 04:23:00,064 INFO L895 garLoopResultBuilder]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:23:00,064 INFO L899 garLoopResultBuilder]: For program point L895-1(line 895) no Hoare annotation was computed. [2023-04-02 04:23:00,064 INFO L899 garLoopResultBuilder]: For program point L893(lines 893 906) no Hoare annotation was computed. [2023-04-02 04:23:00,064 INFO L899 garLoopResultBuilder]: For program point L893-1(lines 885 909) no Hoare annotation was computed. [2023-04-02 04:23:00,064 INFO L902 garLoopResultBuilder]: At program point L891(line 891) the Hoare annotation is: true [2023-04-02 04:23:00,064 INFO L899 garLoopResultBuilder]: For program point L891-1(line 891) no Hoare annotation was computed. [2023-04-02 04:23:00,064 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 885 909) no Hoare annotation was computed. [2023-04-02 04:23:00,064 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 885 909) the Hoare annotation is: true [2023-04-02 04:23:00,064 INFO L895 garLoopResultBuilder]: At program point L899(line 899) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:23:00,064 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 861 883) no Hoare annotation was computed. [2023-04-02 04:23:00,065 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 861 883) no Hoare annotation was computed. [2023-04-02 04:23:00,065 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 861 883) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:00,065 INFO L895 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~6 1))) [2023-04-02 04:23:00,065 INFO L895 garLoopResultBuilder]: At program point L873-1(line 873) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~6 1))) [2023-04-02 04:23:00,065 INFO L899 garLoopResultBuilder]: For program point L871(lines 871 878) no Hoare annotation was computed. [2023-04-02 04:23:00,065 INFO L899 garLoopResultBuilder]: For program point L871-1(lines 871 878) no Hoare annotation was computed. [2023-04-02 04:23:00,065 INFO L899 garLoopResultBuilder]: For program point L869(line 869) no Hoare annotation was computed. [2023-04-02 04:23:00,066 INFO L895 garLoopResultBuilder]: At program point L868(line 868) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:00,066 INFO L895 garLoopResultBuilder]: At program point L867(line 867) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:00,066 INFO L895 garLoopResultBuilder]: At program point L867-1(line 867) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:00,066 INFO L899 garLoopResultBuilder]: For program point L833(line 833) no Hoare annotation was computed. [2023-04-02 04:23:00,066 INFO L899 garLoopResultBuilder]: For program point L832(line 832) no Hoare annotation was computed. [2023-04-02 04:23:00,066 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 820 843) no Hoare annotation was computed. [2023-04-02 04:23:00,066 INFO L899 garLoopResultBuilder]: For program point L831(line 831) no Hoare annotation was computed. [2023-04-02 04:23:00,066 INFO L899 garLoopResultBuilder]: For program point L830(line 830) no Hoare annotation was computed. [2023-04-02 04:23:00,066 INFO L899 garLoopResultBuilder]: For program point L829(line 829) no Hoare annotation was computed. [2023-04-02 04:23:00,066 INFO L899 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2023-04-02 04:23:00,067 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 820 843) no Hoare annotation was computed. [2023-04-02 04:23:00,067 INFO L899 garLoopResultBuilder]: For program point L827(line 827) no Hoare annotation was computed. [2023-04-02 04:23:00,067 INFO L899 garLoopResultBuilder]: For program point L826(line 826) no Hoare annotation was computed. [2023-04-02 04:23:00,067 INFO L899 garLoopResultBuilder]: For program point L825(line 825) no Hoare annotation was computed. [2023-04-02 04:23:00,067 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 820 843) no Hoare annotation was computed. [2023-04-02 04:23:00,067 INFO L899 garLoopResultBuilder]: For program point L838(line 838) no Hoare annotation was computed. [2023-04-02 04:23:00,067 INFO L899 garLoopResultBuilder]: For program point L837(line 837) no Hoare annotation was computed. [2023-04-02 04:23:00,067 INFO L899 garLoopResultBuilder]: For program point L836(line 836) no Hoare annotation was computed. [2023-04-02 04:23:00,067 INFO L899 garLoopResultBuilder]: For program point L835(line 835) no Hoare annotation was computed. [2023-04-02 04:23:00,067 INFO L899 garLoopResultBuilder]: For program point L834(line 834) no Hoare annotation was computed. [2023-04-02 04:23:00,067 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 326 340) no Hoare annotation was computed. [2023-04-02 04:23:00,068 INFO L895 garLoopResultBuilder]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0))) [2023-04-02 04:23:00,068 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 336) no Hoare annotation was computed. [2023-04-02 04:23:00,068 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 326 340) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) (= |old(~systemActive~0)| ~systemActive~0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2023-04-02 04:23:00,068 INFO L899 garLoopResultBuilder]: For program point stopSystemFINAL(lines 326 340) no Hoare annotation was computed. [2023-04-02 04:23:00,068 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 64 70) no Hoare annotation was computed. [2023-04-02 04:23:00,068 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 64 70) the Hoare annotation is: true [2023-04-02 04:23:00,068 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 661 706) no Hoare annotation was computed. [2023-04-02 04:23:00,068 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 661 706) no Hoare annotation was computed. [2023-04-02 04:23:00,069 INFO L899 garLoopResultBuilder]: For program point L681(lines 681 688) no Hoare annotation was computed. [2023-04-02 04:23:00,069 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 661 706) no Hoare annotation was computed. [2023-04-02 04:23:00,069 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 695) no Hoare annotation was computed. [2023-04-02 04:23:00,069 INFO L899 garLoopResultBuilder]: For program point L675-1(lines 675 695) no Hoare annotation was computed. [2023-04-02 04:23:00,069 INFO L895 garLoopResultBuilder]: At program point L222(line 222) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:00,069 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 228) no Hoare annotation was computed. [2023-04-02 04:23:00,069 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:00,069 INFO L899 garLoopResultBuilder]: For program point L218-1(line 218) no Hoare annotation was computed. [2023-04-02 04:23:00,069 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 233) no Hoare annotation was computed. [2023-04-02 04:23:00,069 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 212 236) no Hoare annotation was computed. [2023-04-02 04:23:00,070 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 212 236) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2023-04-02 04:23:00,070 INFO L895 garLoopResultBuilder]: At program point L231(line 231) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2023-04-02 04:23:00,070 INFO L899 garLoopResultBuilder]: For program point L231-1(lines 212 236) no Hoare annotation was computed. [2023-04-02 04:23:00,070 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:00,070 INFO L895 garLoopResultBuilder]: At program point L157(lines 112 159) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:23:00,070 INFO L895 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:23:00,070 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 128) no Hoare annotation was computed. [2023-04-02 04:23:00,070 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 122 128) no Hoare annotation was computed. [2023-04-02 04:23:00,070 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 102 167) no Hoare annotation was computed. [2023-04-02 04:23:00,070 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2023-04-02 04:23:00,071 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 102 167) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:00,071 INFO L895 garLoopResultBuilder]: At program point L160(lines 111 161) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:23:00,071 INFO L895 garLoopResultBuilder]: At program point L150(line 150) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:23:00,071 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 154) no Hoare annotation was computed. [2023-04-02 04:23:00,071 INFO L895 garLoopResultBuilder]: At program point L148-1(lines 142 155) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:23:00,071 INFO L899 garLoopResultBuilder]: For program point L113(lines 112 159) no Hoare annotation was computed. [2023-04-02 04:23:00,071 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 155) no Hoare annotation was computed. [2023-04-02 04:23:00,071 INFO L895 garLoopResultBuilder]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:23:00,071 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 138) no Hoare annotation was computed. [2023-04-02 04:23:00,071 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2023-04-02 04:23:00,071 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 102 167) no Hoare annotation was computed. [2023-04-02 04:23:00,072 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 772) no Hoare annotation was computed. [2023-04-02 04:23:00,072 INFO L899 garLoopResultBuilder]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2023-04-02 04:23:00,072 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 756 778) no Hoare annotation was computed. [2023-04-02 04:23:00,072 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 756 778) no Hoare annotation was computed. [2023-04-02 04:23:00,072 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 756 778) no Hoare annotation was computed. [2023-04-02 04:23:00,072 INFO L899 garLoopResultBuilder]: For program point L256(line 256) no Hoare annotation was computed. [2023-04-02 04:23:00,072 INFO L899 garLoopResultBuilder]: For program point L256-1(lines 245 261) no Hoare annotation was computed. [2023-04-02 04:23:00,072 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 258) no Hoare annotation was computed. [2023-04-02 04:23:00,072 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 245 261) no Hoare annotation was computed. [2023-04-02 04:23:00,072 INFO L899 garLoopResultBuilder]: For program point L250(line 250) no Hoare annotation was computed. [2023-04-02 04:23:00,072 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 245 261) no Hoare annotation was computed. [2023-04-02 04:23:00,072 INFO L899 garLoopResultBuilder]: For program point L250-1(line 250) no Hoare annotation was computed. [2023-04-02 04:23:00,072 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 779 787) the Hoare annotation is: true [2023-04-02 04:23:00,073 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 779 787) no Hoare annotation was computed. [2023-04-02 04:23:00,073 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 779 787) no Hoare annotation was computed. [2023-04-02 04:23:00,073 INFO L895 garLoopResultBuilder]: At program point L193(line 193) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (< |old(~waterLevel~0)| 2) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2023-04-02 04:23:00,073 INFO L895 garLoopResultBuilder]: At program point L191(lines 191 197) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:23:00,073 INFO L895 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2)) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2023-04-02 04:23:00,073 INFO L899 garLoopResultBuilder]: For program point L184(lines 183 202) no Hoare annotation was computed. [2023-04-02 04:23:00,073 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 180 203) no Hoare annotation was computed. [2023-04-02 04:23:00,073 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 180 203) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:23:00,073 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 180 203) no Hoare annotation was computed. [2023-04-02 04:23:00,073 INFO L899 garLoopResultBuilder]: For program point L801(line 801) no Hoare annotation was computed. [2023-04-02 04:23:00,073 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 790 819) no Hoare annotation was computed. [2023-04-02 04:23:00,074 INFO L902 garLoopResultBuilder]: At program point L800-2(lines 800 814) the Hoare annotation is: true [2023-04-02 04:23:00,074 INFO L902 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: true [2023-04-02 04:23:00,074 INFO L899 garLoopResultBuilder]: For program point L796-1(line 796) no Hoare annotation was computed. [2023-04-02 04:23:00,074 INFO L902 garLoopResultBuilder]: At program point L815(lines 790 819) the Hoare annotation is: true [2023-04-02 04:23:00,074 INFO L899 garLoopResultBuilder]: For program point L811(line 811) no Hoare annotation was computed. [2023-04-02 04:23:00,074 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 790 819) the Hoare annotation is: true [2023-04-02 04:23:00,074 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 808) no Hoare annotation was computed. [2023-04-02 04:23:00,074 INFO L902 garLoopResultBuilder]: At program point L804-1(lines 804 808) the Hoare annotation is: true [2023-04-02 04:23:00,074 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 747 755) the Hoare annotation is: true [2023-04-02 04:23:00,074 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 747 755) no Hoare annotation was computed. [2023-04-02 04:23:00,074 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 747 755) no Hoare annotation was computed. [2023-04-02 04:23:00,074 INFO L899 garLoopResultBuilder]: For program point L715-1(lines 711 722) no Hoare annotation was computed. [2023-04-02 04:23:00,074 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 711 722) no Hoare annotation was computed. [2023-04-02 04:23:00,075 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 711 722) the Hoare annotation is: true [2023-04-02 04:23:00,075 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 723 734) no Hoare annotation was computed. [2023-04-02 04:23:00,075 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 723 734) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-04-02 04:23:00,075 INFO L899 garLoopResultBuilder]: For program point L727-1(lines 723 734) no Hoare annotation was computed. [2023-04-02 04:23:00,075 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 88 95) no Hoare annotation was computed. [2023-04-02 04:23:00,075 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 88 95) the Hoare annotation is: true [2023-04-02 04:23:00,075 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2023-04-02 04:23:00,075 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 88 95) no Hoare annotation was computed. [2023-04-02 04:23:00,075 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 71 77) the Hoare annotation is: true [2023-04-02 04:23:00,075 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 71 77) no Hoare annotation was computed. [2023-04-02 04:23:00,075 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 210) no Hoare annotation was computed. [2023-04-02 04:23:00,075 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 204 210) the Hoare annotation is: true [2023-04-02 04:23:00,076 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 237 244) no Hoare annotation was computed. [2023-04-02 04:23:00,076 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseFINAL(lines 237 244) no Hoare annotation was computed. [2023-04-02 04:23:00,076 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 237 244) no Hoare annotation was computed. [2023-04-02 04:23:00,076 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 281 289) no Hoare annotation was computed. [2023-04-02 04:23:00,076 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 281 289) no Hoare annotation was computed. [2023-04-02 04:23:00,076 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 281 289) the Hoare annotation is: true [2023-04-02 04:23:00,076 INFO L899 garLoopResultBuilder]: For program point L320(line 320) no Hoare annotation was computed. [2023-04-02 04:23:00,076 INFO L899 garLoopResultBuilder]: For program point L320-1(line 320) no Hoare annotation was computed. [2023-04-02 04:23:00,076 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 317) no Hoare annotation was computed. [2023-04-02 04:23:00,076 INFO L899 garLoopResultBuilder]: For program point L309-2(lines 309 317) no Hoare annotation was computed. [2023-04-02 04:23:00,076 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 290 325) no Hoare annotation was computed. [2023-04-02 04:23:00,076 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 290 325) no Hoare annotation was computed. [2023-04-02 04:23:00,077 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 305) no Hoare annotation was computed. [2023-04-02 04:23:00,077 INFO L899 garLoopResultBuilder]: For program point L297-2(lines 297 305) no Hoare annotation was computed. [2023-04-02 04:23:00,077 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 290 325) no Hoare annotation was computed. [2023-04-02 04:23:00,077 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 348 393) no Hoare annotation was computed. [2023-04-02 04:23:00,077 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 348 393) no Hoare annotation was computed. [2023-04-02 04:23:00,077 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 348 393) no Hoare annotation was computed. [2023-04-02 04:23:00,077 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 851 860) no Hoare annotation was computed. [2023-04-02 04:23:00,077 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 851 860) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:00,077 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 851 860) no Hoare annotation was computed. [2023-04-02 04:23:00,077 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 270 280) no Hoare annotation was computed. [2023-04-02 04:23:00,078 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 270 280) the Hoare annotation is: true [2023-04-02 04:23:00,078 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 270 280) no Hoare annotation was computed. [2023-04-02 04:23:00,078 INFO L902 garLoopResultBuilder]: At program point L275(line 275) the Hoare annotation is: true [2023-04-02 04:23:00,078 INFO L899 garLoopResultBuilder]: For program point L275-1(line 275) no Hoare annotation was computed. [2023-04-02 04:23:00,078 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 262 269) no Hoare annotation was computed. [2023-04-02 04:23:00,078 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 262 269) the Hoare annotation is: true [2023-04-02 04:23:00,078 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 262 269) no Hoare annotation was computed. [2023-04-02 04:23:00,078 INFO L899 garLoopResultBuilder]: For program point L635(lines 635 642) no Hoare annotation was computed. [2023-04-02 04:23:00,078 INFO L899 garLoopResultBuilder]: For program point L629(lines 629 649) no Hoare annotation was computed. [2023-04-02 04:23:00,078 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 615 660) no Hoare annotation was computed. [2023-04-02 04:23:00,078 INFO L899 garLoopResultBuilder]: For program point L629-1(lines 629 649) no Hoare annotation was computed. [2023-04-02 04:23:00,078 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 615 660) no Hoare annotation was computed. [2023-04-02 04:23:00,079 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 615 660) no Hoare annotation was computed. [2023-04-02 04:23:00,079 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 54 63) no Hoare annotation was computed. [2023-04-02 04:23:00,079 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 54 63) no Hoare annotation was computed. [2023-04-02 04:23:00,079 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 54 63) no Hoare annotation was computed. [2023-04-02 04:23:00,079 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 557) no Hoare annotation was computed. [2023-04-02 04:23:00,079 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 608) no Hoare annotation was computed. [2023-04-02 04:23:00,079 INFO L899 garLoopResultBuilder]: For program point L562(lines 561 581) no Hoare annotation was computed. [2023-04-02 04:23:00,079 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-04-02 04:23:00,079 INFO L899 garLoopResultBuilder]: For program point L593-1(line 593) no Hoare annotation was computed. [2023-04-02 04:23:00,079 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 599) no Hoare annotation was computed. [2023-04-02 04:23:00,079 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 512 614) no Hoare annotation was computed. [2023-04-02 04:23:00,079 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 512 614) no Hoare annotation was computed. [2023-04-02 04:23:00,079 INFO L899 garLoopResultBuilder]: For program point L577(line 577) no Hoare annotation was computed. [2023-04-02 04:23:00,080 INFO L899 garLoopResultBuilder]: For program point L577-1(line 577) no Hoare annotation was computed. [2023-04-02 04:23:00,080 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 540) no Hoare annotation was computed. [2023-04-02 04:23:00,080 INFO L899 garLoopResultBuilder]: For program point L600(lines 600 611) no Hoare annotation was computed. [2023-04-02 04:23:00,080 INFO L899 garLoopResultBuilder]: For program point L563(lines 563 567) no Hoare annotation was computed. [2023-04-02 04:23:00,080 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 512 614) no Hoare annotation was computed. [2023-04-02 04:23:00,080 INFO L899 garLoopResultBuilder]: For program point L561-2(lines 561 581) no Hoare annotation was computed. [2023-04-02 04:23:00,080 INFO L899 garLoopResultBuilder]: For program point L582(lines 560 583) no Hoare annotation was computed. [2023-04-02 04:23:00,080 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:00,080 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~head~0.base)| ~head~0.base) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-02 04:23:00,080 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:00,080 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 735 746) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (< ~waterLevel~0 2)))) [2023-04-02 04:23:00,081 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 735 746) no Hoare annotation was computed. [2023-04-02 04:23:00,081 INFO L899 garLoopResultBuilder]: For program point L739-1(lines 735 746) no Hoare annotation was computed. [2023-04-02 04:23:00,081 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:00,081 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:00,081 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:23:00,081 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 844 850) no Hoare annotation was computed. [2023-04-02 04:23:00,081 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 844 850) the Hoare annotation is: true [2023-04-02 04:23:00,081 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:00,081 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-02 04:23:00,081 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:00,081 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:23:00,084 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-02 04:23:00,086 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:23:00,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:23:00 BoogieIcfgContainer [2023-04-02 04:23:00,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:23:00,097 INFO L158 Benchmark]: Toolchain (without parser) took 10156.58ms. Allocated memory was 288.4MB in the beginning and 420.5MB in the end (delta: 132.1MB). Free memory was 241.5MB in the beginning and 284.2MB in the end (delta: -42.8MB). Peak memory consumption was 233.0MB. Max. memory is 8.0GB. [2023-04-02 04:23:00,097 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 183.5MB. Free memory was 134.3MB in the beginning and 134.1MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:23:00,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.78ms. Allocated memory is still 288.4MB. Free memory was 241.0MB in the beginning and 223.1MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-02 04:23:00,098 INFO L158 Benchmark]: Boogie Preprocessor took 72.26ms. Allocated memory is still 288.4MB. Free memory was 223.1MB in the beginning and 219.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-02 04:23:00,098 INFO L158 Benchmark]: RCFGBuilder took 824.48ms. Allocated memory is still 288.4MB. Free memory was 219.5MB in the beginning and 181.7MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2023-04-02 04:23:00,098 INFO L158 Benchmark]: TraceAbstraction took 8845.35ms. Allocated memory was 288.4MB in the beginning and 420.5MB in the end (delta: 132.1MB). Free memory was 181.2MB in the beginning and 284.2MB in the end (delta: -103.0MB). Peak memory consumption was 173.2MB. Max. memory is 8.0GB. [2023-04-02 04:23:00,099 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 183.5MB. Free memory was 134.3MB in the beginning and 134.1MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 409.78ms. Allocated memory is still 288.4MB. Free memory was 241.0MB in the beginning and 223.1MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 72.26ms. Allocated memory is still 288.4MB. Free memory was 223.1MB in the beginning and 219.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 824.48ms. Allocated memory is still 288.4MB. Free memory was 219.5MB in the beginning and 181.7MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 8845.35ms. Allocated memory was 288.4MB in the beginning and 420.5MB in the end (delta: 132.1MB). Free memory was 181.2MB in the beginning and 284.2MB in the end (delta: -103.0MB). Peak memory consumption was 173.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 220 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1468 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1415 mSDsluCounter, 462 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 375 mSDsCounter, 772 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3092 IncrementalHoareTripleChecker+Invalid, 3864 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 772 mSolverCounterUnsat, 87 mSDtfsCounter, 3092 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 280 SyntacticMatches, 8 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=570occurred in iteration=4, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 229 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 618 PreInvPairs, 669 NumberOfFragments, 780 HoareAnnotationTreeSize, 618 FomulaSimplifications, 11560 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 52 FomulaSimplificationsInter, 3785 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 1283 SizeOfPredicates, 3 NumberOfNonLiveVariables, 373 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 63/69 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && 2 <= waterLevel)) || !(\old(systemActive) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-02 04:23:00,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...